Cdcn.org - SEO Checker

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Overview of the SEO Check
Meta information
97% 
Page quality
81% 
Page structure
66% 
Link structure
73% 
Server
79% 
External factors
100% 
SEO Score
Response time
0.68 s
File size
116.60 kB
Words
907
Media files
11
Number of links
119 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Castleman Disease Collaborative Network | CDCN
The length of the page title is perfect. (454 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Castleman Disease Collaborative Network is dedicated to investing in Caslteman disease research and providing support to patients and their loved ones.
The length of the meta description is perfect. (976 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://cdcn.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionThe Castleman Disease Collaborative Network is dedicated to investing in Caslteman disease research and providing support to patients and their loved ones.
article:publisherhttps://www.facebook.com/cdcn2/
article:modified_time2024-05-13T18:15:27+00:00
langen-us
twitter:cardsummary_large_image
twitter:imagehttps://cdcn.org/wp-content/uploads/2019/11/logo.png
twitter:site@CureCastleman
og:localeen_US
og:typewebsite
og:titleHome
og:descriptionThe Castleman Disease Collaborative Network is dedicated to investing in Caslteman disease research and providing support to patients and their loved ones.
og:urlhttps://cdcn.org/
og:site_nameCDCN
og:imagehttps://cdcn.org/wp-content/uploads/2019/08/CDCN_Knight.jpg
og:image:width410
og:image:height420
og:image:typeimage/jpeg
X-UA-CompatibleIE=edge,chrome=1
charsetUTF-8

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Page quality

Content
(Critically important)
There are 3 text duplicates on this page:
  • Duplicate: The diagnosis of Castleman disease can be scary and many people feel a...
This page contains 907 words. That's ok.
33.6% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
11 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 20.65 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 18 tags for this page.
Image SEO
(Somewhat important)
8 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...tent/uploads/2024/04/Hot-off-410x300.pngLongitudinal, natural history study reveals the disease burden of idiopathic multicentric Castleman disease
...tent/uploads/2024/04/Hot-off-410x300.jpgImmune-mediated thrombocytopenia and IL-6-mediated thrombocytosis observed in idiopathic multicentric Castleman disease
...11/Hot-off-17-e1700587808810-410x300.pngSiltuximab administration results in spurious IL-6 elevation in peripheral blood
...ntent/uploads/2019/08/Gary-1-410x300.jpgNo alt attribute provided
...9/08/IMG-5740-e1567930620587-410x300.jpgNo alt attribute provided
.../08/IMG_0371-e1567929240679-410x300.jpegNo alt attribute provided
...ds/2023/01/candid-seal-platinum-2023.pngNo alt attribute provided
/wp-content/uploads/2019/08/heart.svgNo alt attribute provided
/wp-content/uploads/2019/08/registry.svgNo alt attribute provided
/wp-content/uploads/2019/08/samples.svgNo alt attribute provided
/wp-content/uploads/2019/08/join.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Join us for the Annual Patient and Loved One Summit
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Join us for the Annual Patient and Loved One Summit
H1 For us, it's personal.
H1 Rare Disease Drug Repurposing
H2 Doing in a year what often takes a decade.
H2 Finding the right questions before looking for answers.
H2 A sense of urgency from day one.
H2 Help us cure Castleman disease and advance other cures
H2 Join our network of patients & loved ones or physicians & researchers
H2 Longitudinal, natural history study reveals the disease burden of idiopathic multicentric Castleman disease
H2 Immune-mediated thrombocytopenia and IL-6-mediated thrombocytosis observed in idiopathic multicentric Castleman disease
H2 Siltuximab administration results in spurious IL-6 elevation in peripheral blood
H2 Gary Gravina - A Castleman Warrior
H2 Joey Incorvia - A Castleman Warrior
H2 Katie Repasky - A Castleman Warrior
H3 Donate to life-saving research
H3 Patients: Donate your medical data
H3 Patients: Donate your samples
H3 News
H3 Faces of Castleman disease
H3 Facebook
H3 Accelerating research and treatment for Castleman disease
H4 Follow Us
H4 Subscribe to our newsletter
H4 Follow Us Duplicate text
Some anchor texts are used more than once.
3 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 11 external links on this page.

Found links on this page

LinkAttributesAnchor text
/physicians-researchers/physic...Physician & Researcher Sign-Up
/patients-loved-ones/patient-l...Patient & Loved One Sign-Up
/join-the-fight/get-involved/Get Involved
https://cdcn.org/No Text
/join-the-fight/donate/Donate
https://cdcn.org/about-us/About Us
/about-us/our-story/Our Story
/about-us/our-approach/Our Approach
https://cdcn.org/repurpose/Drug Repurposing
https://cdcn.org/repurposecd/Drug Repurposing for CD
https://cdcn.org/corona/CORONA Project
https://cdcn.org/roadmap/ROADMAP Project
/about-us/our-impact/Our Impact
/about-us/areas-of-focus/Areas of Focus
https://cdcn.org/our-team/Our Team
https://cdcn.org/leadership-team/Leadership Team
https://cdcn.org/advisory-board/Scientific Advisory Board
/advisory-council/Advisory Council
/board-of-directors/Board of Directors
/about-us/partners/Partners
https://cdcn.org/contact/Contact
/castleman-disease/Castleman Disease
/castleman-disease/overview/Overview & Subtypes
/castleman-disease/causes/Causes
/castleman-disease/signs-sympt...Signs & Symptoms
/castleman-disease/diagnosis-t...Diagnosis
https://cdcn.org/treatment/Treatment
/cdcn-treatment-discoveries-an...CDCN Treatment Discoveries and Repurposing Advances
/castleman-disease/prognosis/Prognosis
/castleman-disease/newly-diagn...Newly Diagnosed
/castleman-disease/faq/Frequently Asked Questions
https://cdcn.org/trial/New Sirolimus Clinical Trial
/patients-loved-ones/Patients & Loved Ones
https://cdcn.org/resources/Resources
https://cdcn.org/covid-resources/COVID Resources
/patients-loved-ones/find-supp...Find Support
/patients-loved-ones/beyond-th...Beyond the Basics of CD
/help-find-your-cure/Help Find Your Cure
https://cdcn.org/samples-2/Donate A Sample
/patients-loved-ones/join-the-...Enroll in the Registry
/patients-loved-ones/become-a-...Become a Warrior
/patients-loved-ones/additiona...Additional Resources
https://cdcn.org/faces-of-cd/Faces of Castleman Disease
https://cdcn.org/discussion/CDCN Connect: Patients & Loved Ones
/patients-loved-ones/patient-l...Text duplicate Patient & Loved One Sign-Up
/annual-events/patient-and-lov...Patient and Loved One Summit
/physicians-researchers/Physicians & Researchers
/physicians-researchers/resear...Research Pipeline
/physicians-researchers/clinic...Clinical Trials
https://cdcn.org/resources-2/Text duplicate Resources
https://cdcn.org/publications/Publications
/continuing-education/Continuing Education
/physicians-researchers/imcd-t...iMCD Treatment Targets
/collaborate-with-us/Collaborate With Us
/physicians-researchers/ash-me...ASH Meeting
/physicians-researchers/cd-reg...Castleman Disease Registry
/physicians-researchers/sample...Sample Donation
/physicians-researchers/cstl-u...CSTL @ UPenn
https://cdcn.org/mddiscussion/CDCN Connect: Physicians & Researchers
https://cdcn.org/mdaim2021/‘All In’ Movement (AIM) 2021
/physicians-researchers/physic...Text duplicate Physician & Researcher Sign-Up
https://cdcn.org/join-the-fight/Join the Fight
/join-the-fight/donate/Text duplicate Donate
http://cdcn.org/newsNews
https://cdcn.org/annual-events/Annual Events
/annual-events/patient-and-lov...Text duplicate Patient and Loved One Summit
/annual-events/quest-for-a-cure/Quest for a Cure
/annual-events/world-castleman...World CD Day
/annual-events/million-dollar-...Million Dollar Bike Ride
/join-the-fight/get-involved/Text duplicate Get Involved
/join-the-fight/joinus/Join Our Team
/join-the-fight/chasing-my-cure/Chasing My Cure
/join-the-fight/chasing-my-cur...Chasing Our Cures Campaign
/castleman-warriors/Castleman Warriors
/join-the-fight/cdcn-store/CDCN Store
/join-the-fight/get-involved/Text duplicate Get Involved
/join-the-fight/donate/Text duplicate Donate
/annual-events/patient-and-lov...Learn more here
/about-us/our-story/Learn More
https://cdcn.org/roadmap/Text duplicate Learn More
/wp-content/uploads/2023/12/CD...2023 Impact Report
/about-us/our-impact/Text duplicate Learn More
/about-us/our-approach/Text duplicate Learn More
http://cdcn.org/our-team/Text duplicate Learn More
/join-the-fight/donate/Donate to life-saving research
/patients-loved-ones/join-the-...Patients: Donate your medical data
https://cdcn.org/samples-2/Patients: Donate your samples
/patients-loved-ones/patient-l...Join our Patient Network
/physicians-researchers/physic...Join Our Physician Network
http://cdcn.org/newsText duplicate News
/news/longitudinal-natural-his...IMG-ALT Longitudinal, natural history study reveals the disease burden of idiopathic multicentric Castleman disease
/news/longitudinal-natural-his...Text duplicate Longitudinal, natural history study reveals the disease burden of idiopathic multicentric Castleman disease
/news/siltuximab-administratio...IMG-ALT Immune-mediated thrombocytopenia and IL-6-mediated thrombocytosis observed in idiopathic multicentric Castleman disease
/news/siltuximab-administratio...Text duplicate Immune-mediated thrombocytopenia and IL-6-mediated thrombocytosis observed in idiopathic multicentric Castleman disease
/news/siltuximab-administratio...IMG-ALT Siltuximab administration results in spurious IL-6 elevation in peripheral blood
/news/siltuximab-administratio...Text duplicate Siltuximab administration results in spurious IL-6 elevation in peripheral blood
http://cdcn.org/faces-of-cdFaces of Castleman disease
/faces-of-cd/gary-gravina/No Text
/faces-of-cd/gary-gravina/Gary Gravina - A Castleman Warrior
/faces-of-cd/joey-incorvia/No Text
/faces-of-cd/joey-incorvia/Joey Incorvia - A Castleman Warrior
/faces-of-cd/katie-repasky/No Text
/faces-of-cd/katie-repasky/Katie Repasky - A Castleman Warrior
https://www.facebook.com/cdcn2/New window External Subdomain Facebook
https://www.facebook.com/cdcn2/External Subdomain Castleman Disease Collaborative Network
https://www.facebook.com/cdcn2/New window External Subdomain join us on facebook
https://www.instagram.com/cure...New window External Subdomain Text duplicate join us on facebook
https://twitter.com/CureCastlemanNew window External Text duplicate join us on facebook
https://www.youtube.com/channe...New window External Subdomain Text duplicate join us on facebook
https://cdcn.org/about-us/Text duplicate About Us
/castleman-disease/Text duplicate Castleman Disease
/patients-loved-ones/Text duplicate Patients & Loved Ones
/physicians-researchers/Text duplicate Physicians & Researchers
https://cdcn.org/join-the-fight/Text duplicate Join the Fight
https://cdcn.org/contact/Text duplicate Contact
/physicians-researchers/physic...Physician Login
/patients-loved-ones/patient-l...Patient Login
/join-the-fight/get-involved/Text duplicate Get Involved
https://connect.cdcn.org/External Subdomain CDCN Connect
/join-the-fight/donate/Text duplicate Donate
https://www.facebook.com/cdcn2/New window External Subdomain join us on Facebook
https://www.instagram.com/cure...New window External Subdomain join us on Instagram
https://twitter.com/CureCastlemanNew window External join us on Twitter
https://www.youtube.com/channe...New window External Subdomain join us on YouTube
https://cdcn.org/privacy-policy/Privacy Policy
https://cdcn.org/terms-of-use/Terms of Use
/join-the-fight/donate/Text duplicate Donate
/patients-loved-ones/join-the-...Registry
https://cdcn.org/samples-2/Samples
http://cdcn.org/join-2/Join

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://cdcn.org/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.68 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (117 kB).

HTTP Response Header

NameValue
servernginx
dateWed, 26 Jun 2024 06:04:18 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
expiresThu, 19 Nov 1981 08:52:00 GMT
link<https://cdcn.org/>; rel=shortlink
x-powered-byWP Engine
x-cacheablebot
cache-controlmax-age=10800, must-revalidate
x-cacheHIT: 1
x-cache-groupbot
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 414 referring domains.
This page has 2,089 backlinks.
This page has backlinks from 317 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://cdcn.org/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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cdcn.org
Castleman Disease Collaborative Network | CDCN
The Castleman Disease Collaborative Network is dedicated to investing in Caslteman disease research and providing support to patients and their loved ones.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Disease68%Check
Castleman68%Check
Castleman Disease68%Check
Castleman Disease Collaborative67%Check
Patient66%Check
Loved66%Check
One66%Check
Castleman Disease Collaborative Network66%Check
Loved One66%Check
Patient Loved One66%Check
Show more keywords and terms

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